package ooday01;

public class Person {
    String name;
    int age;
    String address;
    int a;

    void eat() {
        System.out.println("吃饭");
    }

    void sleep() {
        System.out.println("睡觉");
    }
    void sayHi() {
        System.out.println("大家好，我是"+name+"今年"+age+"岁了,家住"+address);
    }
}
